distutils unix gcc, still trying

Michiel Jan Laurens de Hoon mdehoon at ims.u-tokyo.ac.jp
Wed Aug 14 03:30:51 CEST 2002


I verified what customize_compiler is actually doing. It calls 
get_config_vars, which calls _init_posix, which calls parse_makefile. 
This then finds the arguments supplied to get_config_vars from the 
python Makefile. So where does it check for the environment variables?

I am running Python 2.2.

>> In an effort to get to the bottom of this, I looked at the distutils 
>> source code. As far as I can tell, distutils only checks the Makefile 
>> that was used to build Python. I didn't see any checks for the CC 
>> environment variable. Does anybody know in which routine of distutils 
>> this check takes place?
> 
> 
> Yes. Before starting its compiles, the distutils.command.build_ext.run() 
> method calls distutils.sysconfig.customize_compiler(), which looks up 
> the values of environment variables like CC and does the necessary 
> substitutions.
> 




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